Watch List notes:

M. Baebius Q.f. Tampilus, Denarius, Rome, 137 BC; AR (g 3,86; mm 18; h 12); Helmeted head of Roma l.; behind, TAMPIL; before, X, Rv. Apollo in quadriga r., holding reins, branch, bow and arrow; below, ROMA; in ex. M BAEBI Q [F]. Crawford 236/1a; Baebia 12; Sydenham 489.
Lustrous, about extremely fine.